In the second video, they build a "portable" rocket mass heater using a "shippable" rocket stove made from cast high temp refractory cement. I was wondering if this is available to purchase and how much it would cost and an estimate on the shipping costs as well
what if we put solar panels on top of the semi truck trailer? That could power this tiny ad:
montana community seeking 20 people who are gardeners or want to be gardeners
